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Phil Edworthy authored
The Synopsys I2C Controller has an interface clock, but most SoCs hide this away. However, on some SoCs you need to explicitly enable the interface clock in order to access the registers. Therefore, add support for an optional interface clock. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Gareth Williams <gareth.williams.jx@renesas.com> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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